Once the R statistical software has been downloaded and installed correctly, a workspace image file (Fig. 1.1) (with file name “.RData”) will be located somewhere on your PC. R programs can be saved in this file. More than one workspace image file containing different R programs can be created on a PC by saving these image files under different names, e.g., “myprog.RData”. Workspace image files can continue to be used, even if the version of R is updated.
Quadratic Form Column Vector Symmetric Matrix Element Form Inverse Matrix
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